Chapter 1.1, Problem 1.8E

a)

To determine

To find the population and sample from given study.

Answer to Problem 1.8E

Population is all small business and sample is 150 restaurants chosen from large city.

Explanation of Solution

Given:

A business school researcher wants to know what factors affect the survival and success of small businesses. She selects a sample of 150 restaurants from those listed in the phone book for a large city.

First need to understand about sample and population.

Population: It is the set of all the possible individuals possessing the characteristic of interest in a study.

Sample: It is the subset of population on which, the actual study performed and from which, the necessary measurements are taken.

In given study,

Population: Here, population is all small businesses in the large city.

Sample: The 150 restaurants which were chosen from the listed in the phone book for a large city.

b)

To determine

To find the population and sample from given study.

Answer to Problem 1.8E

Population is all people who watch basketball on TV and sample is 89 calls where they receive about the game change.

Explanation of Solution

Given:

Your local television station wonders if its viewers would rather watch a local college basketball team play or an NBA game scheduled at the same time. It announces that it will show the NBA game and receives 89 calls asking that it show the local game instead.

First need to understand about sample and population.

Population: It is the set of all the possible individuals possessing the characteristic of interest in a study.

Sample: It is the subset of population on which, the actual study performed and from which, the necessary measurements are taken.

In given study,

Population: Here, the all people who were watching basketball on the local television station.

Sample: The sample is that 89 calls that they received about the changing the game which they watching.